* {
  padding: 0;
  margin: 0;
  list-style: none;
  text-decoration: none;
}

html {
  font-size: 16px;
}

.box {
  height: 50px;
  background-color: #222;
}

.box .container {
  padding: 0;
}

.box .container .navbar-header .navbar-brand {
  padding: 0 15px;
  display: flex;
  align-items: center;
}

.box .container .navbar {
  border: none;
  margin-bottom: 0;
}

.box .container .navbar-wrapper .navbar-brand {
  padding: 0 15px;
}

.box .container .navbar-wrapper .navbar-brand > img {
  width: 130px;
}

.carousel-inner {
  width: 100%;
}

.carousel-inner img {
  width: 100%;
}

main .lr .lr_row {
  margin-bottom: 6.25rem;
}

main .lr .lr_row .rm {
  position: absolute;
  width: 0;
  height: 0;
  border-top: 5.25rem solid red;
  border-right: 1.5rem solid red;
  border-bottom: 1.25rem solid transparent;
  border-left: 1.5rem solid red;
}

main .lr .lr_row .rm span {
  font-size: 1.25rem;
  color: #fff;
  position: relative;
  top: -4.25rem;
  right: 0.55rem;
}

main .lr .lr_row .l {
  margin-top: 2.5rem;
}

main .lr .lr_row .l img {
  width: 21.25rem;
}

main .lr .lr_row .r .r_row .title {
  text-align: right;
}

main .lr .lr_row .r .r_row .title h2 {
  margin-top: 2.1875rem;
}

main .lr .lr_row .r .r_row .title span {
  color: #ababab;
  font-size: .75rem;
  line-height: 2.1rem;
}

main .lr .lr_row .r .r_row .pic {
  margin-top: 1.875rem;
  display: flex;
  justify-content: space-between;
}

main .lr .lr_row .r .r_row .tl {
  text-align: left;
}

main .lr .lr_row .r .r_row .tl h2 {
  margin-top: 4.0625rem;
}

main .al .al_row {
  margin-bottom: 4.375rem;
}

main .al .al_row .title {
  padding-left: .9375rem;
}

main .al .al_row .l a, main .al .al_row .c a, main .al .al_row .r a {
  font-size: .875rem;
  color: #000;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
}

main .al .al_row .l a img, main .al .al_row .c a img, main .al .al_row .r a img {
  margin-top: 2.5rem;
  margin-bottom: .875rem;
}

main .al .al_row .r p {
  margin: 0 auto;
  padding: 0;
}

footer .bt {
  background-color: #3b3b3b;
}

footer .bt .bt_con .bt_row .txt {
  margin: 1.875rem 0;
}

footer .bt .bt_con .bt_row .txt p {
  color: #9798a0;
}

footer .bt .bt_con .bt_row .txt p a {
  color: #9798a0;
}

footer .bt .bt_con .bt_row .txt p:first-child {
  font-size: .875rem;
}

footer .bt .bt_con .bt_row .txt p:last-child {
  font-size: .75rem;
}

footer .bt .bt_con .bt_pic {
  margin-top: 2.3125rem;
  text-align: right;
}

footer .bt .bt_con .bt_pic img:first-child:hover + img {
  display: block;
}

footer .bt .bt_con .bt_pic img:nth-child(3) {
  margin: 0 0.8rem;
}

footer .bt .bt_con .bt_pic img:nth-child(3):hover + img {
  display: block;
}

footer .bt .bt_con .bt_pic img:nth-child(5):hover + img {
  display: block;
}

footer .bt .bt_con .bt_pic img:nth-child(2) {
  position: absolute;
  bottom: 40px;
  right: 69px;
  display: none;
}

footer .bt .bt_con .bt_pic img:nth-child(4) {
  position: absolute;
  bottom: 40px;
  right: 15px;
  display: none;
}

footer .bt .bt_con .bt_pic img:last-child {
  position: absolute;
  bottom: 40px;
  right: -40px;
  display: none;
}

@media screen and (min-width: 768px) and (max-width: 991px) {
  .box {
    height: 100%;
  }
  .box .navbar-wrapper .navbar {
    margin-bottom: 0;
  }
  .box .navbar-wrapper #navbar .dropdown {
    position: absolute;
    top: 0;
    right: 80px;
  }
  main .lr .lr_row .l img {
    width: 100%;
    margin-top: 5rem;
  }
  main .lr .lr_row .r .r_row .pic img {
    width: 47%;
  }
  main .al .al_row .l a img, main .al .al_row .c a img, main .al .al_row .r a img {
    width: 100%;
  }
  footer .bt .bt_con .bt_row .ewm {
    width: 50%;
  }
  footer .bt .bt_con .bt_row img:nth-child(2) {
    right: 94px;
  }
  footer .bt .bt_con .bt_row img:nth-child(4) {
    right: 40px;
  }
  footer .bt .bt_con .bt_row img:last-child {
    right: -12px;
  }
}

@media screen and (max-width: 767px) {
  .box {
    height: 100%;
  }
  .box .navbar-wrapper .container .navbar {
    margin-bottom: 0;
  }
  .box .navbar-wrapper .container #navbar {
    position: absolute;
    left: 0;
    top: 50px;
    background-color: #222;
    width: 100vw;
  }
  main .lr .lr_row {
    margin-bottom: 0;
  }
  main .lr .lr_row .rm {
    border-top: 3rem solid red;
    border-right: 1rem solid red;
    border-left: 1rem solid red;
    border-bottom: .8rem solid transparent;
  }
  main .lr .lr_row .rm span {
    font-size: 1rem;
    top: -2.8rem;
  }
  main .lr .lr_row .r .r_row .title h2 {
    text-align: center;
    margin: 1rem 0;
    font-size: 1.2rem;
  }
  main .lr .lr_row .r .r_row .title span {
    line-height: 1.5rem;
  }
  main .lr .lr_row .r .r_row .pic {
    margin-top: 1rem;
  }
  main .lr .lr_row .r .r_row .pic img {
    width: 48%;
  }
  main .al .al_row {
    margin-bottom: 0;
  }
  main .al .al_row .title h2 {
    font-size: 1.2rem;
  }
  main .al .al_row .l a img, main .al .al_row .c a img, main .al .al_row .r a img {
    margin-top: .875rem;
    width: 100%;
    margin-bottom: .4rem;
  }
  main .al .al_row .r {
    padding: 0;
  }
  main .al .al_row .r p {
    padding: 0 .9375rem;
  }
  footer .bt .bt_con .bt_row .txt {
    margin: 1rem  0;
  }
  footer .bt .bt_con .bt_row .txt p {
    margin-bottom: 0;
  }
  footer .bt .bt_con .bt_row .bt_pic {
    margin-top: 20px;
  }
  footer .bt .bt_con .bt_row .bt_pic .pic1 {
    width: 20%;
  }
  footer .bt .bt_con .bt_row .bt_pic .ewm {
    width: 30%;
  }
  footer .bt .bt_con .bt_row .bt_pic img:last-child {
    bottom: 28px;
    right: 3px;
  }
  footer .bt .bt_con .bt_row .bt_pic img:nth-child(2) {
    bottom: 28px;
    right: 86px;
  }
  footer .bt .bt_con .bt_row .bt_pic img:nth-child(4) {
    bottom: 28px;
    right: 46px;
  }
}
